llvm-project/llvm/test/CodeGen/Hexagon/packetize_cond_inst.ll

34 lines
893 B
LLVM

; RUN: llc -march=hexagon -tail-dup-size=1 < %s | FileCheck %s
target triple = "hexagon-unknown--elf"
; Make sure we put the two conditionally executed adds in a packet.
; {
; p0 = cmp.gt(r2, r1)
; if (!p0.new) r0 = add(r2, r1)
; if (p0.new) r0 = add(r0, #10)
; }
; CHECK: cmp
; CHECK-NEXT: add
; CHECK-NEXT: add
define i32 @f0(i32 %a0, i32 %a1, i32 %a2) #0 {
b0:
%v0 = icmp sgt i32 %a2, %a1
br i1 %v0, label %b1, label %b2
b1: ; preds = %b0
%v1 = add nsw i32 %a0, 10
br label %b3
b2: ; preds = %b0
%v2 = add nsw i32 %a2, %a1
br label %b3
b3: ; preds = %b2, %b1
%v3 = phi i32 [ %v1, %b1 ], [ %v2, %b2 ]
%v4 = add nsw i32 %v3, 1
ret i32 %v4
}
attributes #0 = { nounwind readnone "target-cpu"="hexagonv5" }